<template>
    <div class="base-table">
        <div class="crumbs">
            <!-- breadcrumb面包屑 使用separator属性来分割 -->
            <el-breadcrumb separator="/">
                <el-breadcrumb-item>
                    <i class="el-icon-tickets"></i> 基础表格
                </el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="container">
            <div class="handle-box">
                <el-button
                    type="primary"
                    icon="el-icon-delete"
                    class="handle-del mr10"
                    @click="delAllSelection"
                >批量删除</el-button>
                <el-select v-model="query.address" placeholder="地址" class="handle-select mr10">
                    <el-option v-for="(item,index) in selectData" :key="index" :lable="item.key" :value="item.value"></el-option>
                </el-select>
                <el-input v-model="query.name" placeholder="用户名" class="handle-input mr10"></el-input>
                <el-button type="primary" icon="el-icon-search" @click="handleSearch">搜索</el-button>
            </div>
            <el-table
                :data="tableData"
                border
                class="table"
                ref="multipleTable"
                header-cell-class-name="table-header"
                @selection-change="handleSelectionChange"
            >
                <el-table-column type="selection" width="55" align="center"></el-table-column>
                <el-table-column prop="id" label="ID" width="55" align="center"></el-table-column>
                <el-table-column prop="name" label="用户名"></el-table-column>
                <el-table-column label="账户余额">
                    <template slot-scope="scope">￥{{scope.row.money}}</template>
                </el-table-column>
                <el-table-column label="头像(查看大图)" align="center">
                    <template slot-scope="scope">
                        <el-image
                            class="table-td-thumb"
                            :src="scope.row.thumb"
                            :preview-src-list="[scope.row.thumb]"
                        ></el-image>
                    </template>
                </el-table-column>
                <el-table-column prop="address" label="地址"></el-table-column>
                <el-table-column label="状态" align="center">
                    <template slot-scope="scope">
                        <el-tag
                        :type="scope.row.state==='成功'?'success':(scope.row.state==='失败'?'danger':'')"
                        >{{scope.row.state}}</el-tag>
                    </template>
                </el-table-column>

                <el-table-column prop="date" label="注册时间"></el-table-column>
                <el-table-column label="操作" width="180" align="center">
                    <template slot-scope="scope">
                        <el-button
                            type="text"
                            icon="el-icon-edit"
                            @click="handleEdit(scope.$index, scope.row)"
                        >编辑</el-button>
                        <el-button
                            type="text"
                            icon="el-icon-delete"
                            class="red"
                            @click="handleDelete(scope.$index, scope.row)"
                        >删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <div class="pagination">
                <el-pagination
                    background
                    layout="total, prev, pager, next"
                    :current-page="query.pageIndex"
                    :page-size="query.pageSize"
                    :total="pageTotal"
                    @current-change="handlePageChange"
                ></el-pagination>
            </div>
        </div>

        <!-- 弹出编译框 -->
        <el-dialog title="编辑" :visible.sync="editVisible" width="30%">
            <el-form ref="form" :model="form" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="form.name"></el-input>
                </el-form-item>
                <el-form-item label="地址">
                    <el-input v-model="form.address"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editVisible=false">取 消</el-button>
                <el-button type="primary" @click="saveEdit">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>


<script>
    import {userInfo} from 'network/userInfo'
    export default {
        name : 'Basetable',
        data () {
            return {
                query: {
                    address:'',
                    name:'',
                    pageIndex:1,
                    pageSize:10
                },
                selectData: [
                    // 这个数据应该后端返回
                    {key:'广东省', value:'广东省'},
                    {key:'湖南省', value:'湖南省'}
                ],
                tableData: [],
                multipleSelection: [],
                delList: [],
                editVisible: false,
                pageTotal: 0,
                form: {},
                idx: -1,
                id: -1
            }
        },
        created () {
            this.getUserInfo();
        },
        methods: {
            getUserInfo() {
                userInfo(this.query).then(res=> {
                    this.tableData = res.list;
                    this.pageTotal = res.pageTotal
                });
            },
            // 触发搜索按钮
            handleSearch() {
                // 这里应该修改
                this.$set(this.query, 'pageIndex', 1);
                this.getUserInfo();
            },
            handleDelete(index, row) {
                // 二次确定删除
                this.$confirm('确定要删除吗？', '提示', {
                    type: 'warning'
                }).then(()=>{
                    this.$message.success('删除成功');
                    this.tableData.splice(index, 1);
                }).catch(()=>{});

            },

            // 多选操作
            handleSelectionChange(val) {
                // val是一个数组，为选中的row
                this.multipleSelection = val;
            },
            delAllSelection() {
                const length = this.multipleSelection.length;
                let str = '';
                this.delList = this.delList.concat(this.multipleSelection);
                for (let i = 0; i < length; i++) {
                    str += this.multipleSelection[i].name + '  ';
                }
                this.$message.error(`删除了${str}`);
                this.multipleSelection = []
            },
            // 编辑操作
            handleEdit(index, row) {
                // 通过template slot-scope="scope" 获取的数据
                this.idx = index;
                this.form = row;
                this.editVisible = true;
            },
            // 保存编辑
            saveEdit() {
                this.editVisible = false;
                this.$message.success(`修改第${this.idx + 1} 行成功`);
                this.$set(this.tableData, this.idx, this.form);
            },
            // 分页导航
            handlePageChange(val) {
                // val 是页数
                // 实现思路是 知道每一页展示几条记录， 配合val就可以拿到需要展示的数据
                // 然后把数据赋给this.tableData
                // 然而可以使用更简单的方法，获取数据的时候使用分页为参数发送数据
                this.$set(this.query, 'pageIndex', val);
                this.getUserInfo();
            }
        }
    }
</script>


<style scoped>
    .handle-box {
        display: flex;
        margin-bottom: 20px;
        box-sizing:border-box;
        width: 630px;
        justify-content: space-between;
    }

    .handle-select {
        width: 120px;
    }

    .handle-input {
        width: 300px;
    }

    .table {
        width: 100%;
        font-size: 14px;
    }

    .red {
        color: #ff0000;
    }

    .table-td-thumb {
        display: block;
        margin: auto;
        width: 40px;
        height: 40px;
    }
</style>


<!-- width: 120px;
flex-shrink: 0; -->